CVE-2026-66139

MEDIUM

Openstack Zaqar - Missing Authentication for Critical Function

Title source: rule
STIX 2.1

Description

OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.

References (3)

Core 3

Scores

CVSS v3 4.8
EPSS 0.0029
EPSS Percentile 21.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-306
Status published
Products (3)
OpenStack/Zaqar 12.0.0 - 20.1.1
OpenStack/Zaqar 21.0.0
OpenStack/Zaqar 22.0.0
Published Jul 24, 2026
Tracked Since Jul 24, 2026